Tori: AI agent workflow manager - initial implementation

Rust (Axum) + Vue 3 + SQLite. Features:
- Project CRUD REST API with proper error handling
- Per-project agent loop (mpsc + broadcast channels)
- LLM-driven plan generation and replan on user feedback
- SSH command execution with status streaming
- WebSocket real-time updates to frontend
- Four-zone UI: requirement, plan (left), execution (right), comment

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

config.yaml.example

@@ -0,0 +1,16 @@
+llm:
+  base_url: "https://router.requesty.ai/v1"
+  api_key: ""
+  model: "anthropic/claude-sonnet-4-6-20250514"
+
+ssh:
+  host: "target-server"
+  user: "deploy"
+  key_path: "~/.ssh/id_rsa"
+
+server:
+  host: "0.0.0.0"
+  port: 3000
+
+database:
+  path: "tori.db"